Barbra Streisand & Barry Gibb
Guilty
Barbra Streisand and Barry Gibb collaborated for the first time in 1980 when Barbra released the album Guilty written by Barry. The title track, Guilty, a duet between Streisand and Gibb, won the Grammy Award for Best Pop Performance by a Duo or Group with Vocal in 1981.
In 2005 the two released another album, Guilty Pleasures, which was a sequel to the album Guilty and again written by Barry Gibb. This album also features a duet between Barbra and Barry, Come Tomorrow.